Tricks to O2 Sensor Stud/Nut Removal

[Riley]

Hey Rich. You're a weath of info.

Never heard of the sand trick, that's very cool. I agree on the 6 point, 12 points such when the going gets tough.

 

[GXO]

go down one size socket, apply hammer gently and wedge it on... may end up with sacrificial socket, but tends to work as well.